{"product_id":"simpson-strong-tie-ius1-81-9-5-i-joist-hanger-with-snap-in-seat","title":"Simpson Strong-Tie IUS1.81\/9.5 I-Joist Hanger with Snap-In Seat, 1-3\/4 in. x 9-1\/2 in. I-joist","description":"\u003cstyle\u003e\n.pb-wrap{--pb-line:#e1e3e5;--pb-head:#f6f6f7;max-width:100%}\n.pb-wrap .pb-intro{margin-bottom:20px}\n.pb-acc{border:1px solid var(--pb-line);border-radius:8px;margin:0 0 8px;overflow:hidden}\n.pb-acc\u003esummary{cursor:pointer;padding:14px 16px;font-weight:600;line-height:1.35;\n list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}\n.pb-acc\u003esummary::-webkit-details-marker{display:none}\n.pb-acc\u003esummary::marker{content:\"\"}\n.pb-acc\u003esummary::after{content:\"+\";font-size:22px;font-weight:400;line-height:1;flex:0 0 auto}\n.pb-acc[open]\u003esummary::after{content:\"\\2212\"}\n.pb-acc[open]\u003esummary{border-bottom:1px solid var(--pb-line);background:var(--pb-head)}\n.pb-acc\u003esummary:hover{background:var(--pb-head)}\n.pb-acc .pb-body{padding:16px}\n.pb-acc .pb-body\u003e:first-child{margin-top:0}\n.pb-acc .pb-body\u003e:last-child{margin-bottom:0}\n.pb-q{border:0;border-bottom:1px solid var(--pb-line);border-radius:0;margin:0}\n.pb-q:last-child{border-bottom:0}\n.pb-q\u003esummary{padding:12px 0;font-weight:600}\n.pb-q[open]\u003esummary{background:transparent;border-bottom:0}\n.pb-q\u003esummary:hover{background:transparent;text-decoration:underline}\n.pb-q .pb-body{padding:0 0 12px}\n.pb-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}\n.pb-table{width:100%;border-collapse:collapse;font-size:14px;min-width:380px}\n.pb-table th,.pb-table td{border:1px solid var(--pb-line);padding:8px 10px;\n text-align:left;vertical-align:top}\n.pb-table thead th{background:var(--pb-head)}\n.pb-table caption{caption-side:top;text-align:left;font-weight:600;padding:0 0 8px}\n.pb-note{font-size:13px;opacity:.75;margin-top:16px}\n.pb-wrap a{color:#3b82f6}\n.pb-wrap a:hover{color:#2563eb}\n\u003c\/style\u003e\u003cdiv class=\"pb-wrap\"\u003e\n\u003ch2\u003eIUS1.81\/9.5 I-Joist Hanger with Snap-In Seat, 1-3\/4 in. x 9-1\/2 in. I-joist\u003c\/h2\u003e\n\u003cdiv class=\"pb-intro\"\u003e\n\u003cp\u003eThe IUS1.81\/9.5 is Simpson's hybrid face-mount hanger for a 1-3\/4 in. x 9-1\/2 in. I-joist. The I-joist snaps into the seat, so no joist nails are needed; the hanger nails to the header only.\u003c\/p\u003e\n\u003cp\u003eSized for one I-joist width and depth. Check your I-joist flange width against the model before ordering; the wrong width will not seat.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eFeatures and Common Uses\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cul\u003e\n\u003cli\u003e18-gauge steel, Zinc galvanized, G90 finish\u003c\/li\u003e\n\u003cli\u003eSnap-in seat holds the I-joist with no joist nails\u003c\/li\u003e\n\u003cli\u003eLocator tabs bend back to position the hanger or leave a flush top\u003c\/li\u003e\n\u003cli\u003eAccommodates a skew of up to 5 degrees\u003c\/li\u003e\n\u003cli\u003eTested, load rated and code listed by Simpson Strong-Tie\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCommonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eI-joist floor and roof framing to LVL, glulam or sawn headers\u003c\/li\u003e\n\u003cli\u003eRim and header connections in engineered floor systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eSpecifications\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cdiv class=\"pb-scroll\"\u003e\u003ctable class=\"pb-table\"\u003e\n\u003ccaption\u003eProduct Specifications\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSimpson Strong-Tie\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\n\u003ctd\u003eIUS1.81\/9.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCarried member\u003c\/th\u003e\n\u003ctd\u003e1-3\/4 in. x 9-1\/2 in. I-joist\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e18 ga.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWidth (W)\u003c\/th\u003e\n\u003ctd\u003e1-7\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeight (H)\u003c\/th\u003e\n\u003ctd\u003e9-1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSeat depth (B)\u003c\/th\u003e\n\u003ctd\u003e2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeader fasteners\u003c\/th\u003e\n\u003ctd\u003e(8) 0.148 in. x 3 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eJoist fasteners\u003c\/th\u003e\n\u003ctd\u003enone (snap-in seat)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eZinc galvanized, G90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"pb-note\"\u003eDimensions, fastener schedule and allowable loads are from Simpson's catalogue table for the IUS1.81\/9.5. Loads vary by lumber species, load duration and nailing option; confirm the value for your design before install. Source: \u003ca href=\"https:\/\/ssttoolbox.widen.net\/view\/pdf\/yghkeamlda\/C-C-2026-p154.pdf\" target=\"_blank\" rel=\"noopener\"\u003eSimpson Strong-Tie Wood Construction Connectors Catalog C-C-2026, p. 154 (PDF)\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eHow to Install\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003col\u003e\n\u003cli\u003eConfirm the header can take the specified nails from the table.\u003c\/li\u003e\n\u003cli\u003eNail the hanger to the header with the locator tabs set on top; do not overspread the hanger.\u003c\/li\u003e\n\u003cli\u003ePush the I-joist down into the seat until it snaps in. The side flanges should contact the joist's top chord.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"pb-note\"\u003eFull installation notes, fastener substitutions and load tables: Source: \u003ca href=\"https:\/\/ssttoolbox.widen.net\/view\/pdf\/yghkeamlda\/C-C-2026-p154.pdf\" target=\"_blank\" rel=\"noopener\"\u003eSimpson Strong-Tie Wood Construction Connectors Catalog C-C-2026, p. 154 (PDF)\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eFrequently Asked Questions\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eWhich nails do I need?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eHeader: (8) 0.148 in. x 3 in. Joist: none (snap-in seat). Use the exact sizes Simpson specifies; a shorter or thinner nail lowers the allowable load. Simpson's catalogue table lists the load for each nailing option.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eDoes it need web stiffeners?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eCheck your I-joist maker's details and the catalogue table. Simpson designed the IUS to seat the I-joist without joist nails; web stiffener requirements come from the I-joist manufacturer.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eCan I use it on a pressure-treated deck?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eNot this finish. G90 galvanizing is for dry, interior framing. For preservative-treated lumber or exterior exposure, Simpson calls for ZMAX, hot-dip galvanized or stainless steel connectors and matching fasteners. Ask us about the ZMAX or stainless version.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Product\",\"@id\":\"https:\/\/griffbuildingsupplies.com\/products\/simpson-strong-tie-ius1-81-9-5-i-joist-hanger-with-snap-in-seat#product\",\"name\":\"Simpson Strong-Tie IUS1.81\/9.5 I-Joist Hanger with Snap-In Seat, 1-3\/4 in. x 9-1\/2 in. I-joist\",\"url\":\"https:\/\/griffbuildingsupplies.com\/products\/simpson-strong-tie-ius1-81-9-5-i-joist-hanger-with-snap-in-seat\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Simpson Strong-Tie\"},\"category\":\"Hardware \u003e Hardware Accessories \u003e Brackets \u0026 Reinforcement Braces\",\"description\":\"Simpson Strong-Tie IUS1.81\/9.5 I-joist Hanger with Snap-In Seat for 1-3\/4 in. x 9-1\/2 in. I-joist. 18-gauge steel, G90 galvanized.\",\"material\":\"18-gauge galvanized steel\",\"image\":\"https:\/\/ssttoolbox.widen.net\/content\/canxcyoefg\/jpeg\/C_IUS206-16_ProdPho_RI_Prod_I-JoistHybridHanger-Snap-InFeature_C0.jpeg\",\"sku\":\"IUS18195\",\"mpn\":\"IUS18195\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Brand\",\"value\":\"Simpson Strong-Tie\"},{\"@type\":\"PropertyValue\",\"name\":\"Model\",\"value\":\"IUS1.81\/9.5\"},{\"@type\":\"PropertyValue\",\"name\":\"Carried member\",\"value\":\"1-3\/4 in. x 9-1\/2 in. 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